Eaton Posi Differential - 30 Spline - 2.76 to 3.42 Ratio - Limited Slip - GM 12-Bolt - 8.875 in - GM Fullsize Truck 1961-80 HYPLXSM11M61 NOTE: Image is for reference

NOTE: Image is for reference only and shows model RR300

Top has long sleeves

Bert Ball Spline Tailshaft housings

Shell and shield design optimized to improve aerodynamic performance

Front / 2nd Row / 3rd Row

Eaton Posi Differential - 30 Spline - 2.76 to 3.42 Ratio - Limited Slip - GM 12-Bolt - 8.875 in - GM Fullsize Truck 1961-80 HYPLXSM11M61 NOTE: Image is for referenceProduct Description: Differential Eaton Posi 30 Spline 2. 76 to 3. 42 Ratio Limited Slip Steel Natural GM 12 Bolt 8. 875 in GM Fullsize Truck 1961 80 Sold Individually Eaton is the world's largest independent producer of torque controlling differentials for vehicle manufacturers, the automotive aftermarket and commercial and military vehicle manufacturers. We are leveraging our differentials expertise, which includes vehicle and traction dynamics, to